Best Plastic Bike Screws of 2026

Luke Dobson Avatar
Luke Dobson
Last Updated: 10 Feb 2026

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Plastic bike screws are a revolutionary new product that are designed to replace traditional metal screws used in bike maintenance and repairs. These screws are made from a durable plastic material that is lightweight, corrosion-resistant, and easy to install. With plastic bike screws, you can say goodbye to rusted or stripped screws, and enjoy a more stable and secure ride. They are available in a variety of sizes and colours, making them suitable for a range of bike models and styles. If you are looking for a cost-effective and reliable alternative to traditional bike screws, plastic bike screws are definitely worth considering.

At a Glance: Our Top Picks

Alps2Ocean M15 ISIS Ebike Crank Screws Cover #TOP 1
Alps2Ocean M15 ISIS Ebike Crank Screws
ftb score rating icon 9.9
8 Pcs Bike Bolts M8, Thread Bicycle Crank Bolt, Waterproof Mountain Bike Bottom Bracket Screws Cover #TOP 2
8 Pcs Bike Bolts M8, Thread Bicycle Crank Bolt, Waterproof Mountain Bike Bottom Bracket Screws
ftb score rating icon 9.8
YouU 10 Pcs Hex Crank Arm Bolts Cover #TOP 3
YouU 10 Pcs Hex Crank Arm Bolts
ftb score rating icon 9.6

Top 10 Plastic Bike Screws

#TOP 1

Alps2Ocean M15 ISIS Ebike Crank Screws

Alps2Ocean
Black, Blue
2PC M15-BOLTS
Alps2Ocean M15 ISIS Ebike Crank Screws Cover
Alps2Ocean 2 x Ebike Crank Arm Screws, E-Bike M15 ISIS Crank Screws, Compatible with Bosch GEN4, PW-X3/X2, Brose Standard/Mag, Bafang M620, GX0

The Alps2Ocean M15 Crank Screws are made from strong steel, ensuring durability for your e-bike crank. The plastic seal around the screws means you won’t need a separate crank cap, making installation simpler and cleaner. These screws fit crank systems with ISIS bottom brackets that have an M15 thread, so you can be confident they’ll match your bike’s setup. They are compatible with popular systems like Bosch GEN4 and Brose, offering versatility if you use these brands. Additionally, the screw lock prevents loosening from vibrations, keeping your crank securely in place while protecting against corrosion.

What We Like
Durable steel material
No separate crank cap needed
Fits M15 ISIS bottom brackets
Works with popular e-bike brands
Prevents screw loosening and corrosion
#TOP 2

8 Pcs Bike Bolts M8, Thread Bicycle Crank Bolt, Waterproof Mountain Bike Bottom Bracket Screws

XINXINGDINGSHENG
Halon01
Black
18mm/8mm
8 Pcs Bike Bolts M8, Thread Bicycle Crank Bolt, Waterproof Mountain Bike Bottom Bracket Screws Cover
8 Pcs Bike Bolts M8, Thread Bicycle Crank Bolt, Waterproof Mountain Bike Bottom Bracket Screws, for Road Mountain Bike Square Cranksets Bottom Brackets

Features
[Protective Function] The Sealed Structure And High-Quality Waterproof Materials Ensure That Water, Mud, And Sand Cannot Enter The Centre Axle In Harsh Riding Environments, Protecting It From Moisture And Corrosion. This Also Ensures Stability And Safety During Riding.
[Durable Material] Our Bicycle Bolts Are Made Of Steel And Paired With Plastic Washers. They Are Corrosion-Resistant And Rust-Proof, And The Sturdy And Durable Material Can Withstand The Harsh Conditions Of Cycling, Ensuring Long-Term Use.
[Universal Model] Our Bolts Are The Most Common Model, With An 8mm Thread Diameter And 18mm Thread Length. Our Bolts Are Suitable For Various Bicycles, Including Mountain Bikes And Road Bikes, Ensuring Perfect Compatibility For Your Riding Needs.
[Packaging Contents] Each Package Comes With 8 Bicycle Crank Bolts, Providing Ample Quantity To Meet Various Needs During Bicycle Installation Or Maintenance. This Ensures Reliability Even In Emergency Repairs, Eliminating The Need For Multiple Purchases And Saving You Time And Effort.
[Easy Installation] The Bolts Are Easy To Install. Simply Use A Standard Metric Hex Wrench To Secure The Crank Arm. No Special Tools Or Skills Are Required, Making Installation Easy For Any Rider. You Can Complete The Installation Effortlessly Even During Emergency Repairs.
#TOP 3

YouU 10 Pcs Hex Crank Arm Bolts

YouU-10 Pcs
Black, Silver
YouU 10 Pcs Hex Crank Arm Bolts Cover
YouU 10 Pcs 8mm Hex Crank Arm Fixing Bolts Bicycle Crank Screws for Square Hole Crankset Bottom Bracket

The YouU Hex Crank Bolts are crafted from high-strength steel, ensuring durability and reliability for your bicycle. The inclusion of a plastic seal means you won't need a separate crank cap, simplifying the installation process. Each pack contains ten bolts, giving you ample supply for repairs or upgrades. These bolts are specifically designed for square hole cranksets and bottom brackets, making them an ideal choice for cyclists looking to maintain or enhance their bike's performance.

What We Like
Durable high-strength steel
No separate crank cap needed
Packs of ten bolts included
Designed for square hole cranksets
#TOP 4

bike hex screws black + Akozon 720pcs M3*4/6/8/10/12 Black Alloy Steel Flat Head Hex Socket Screws with Plastic Box

Xinrubgorh831vyi
bike hex screws black + Akozon 720pcs M3*4/6/8/10/12 Black Alloy Steel Flat Head Hex Socket Screws with Plastic Box Cover
bike hex screws black + Akozon 720pcs M3*4/6/8/10/12 Black Alloy Steel Flat Head Hex Socket Screws with Plastic Box

Features
Standard Metric: Our M3*4/6/8/10/12 Hex Socket Flat & Button Head Screw Bolts Accord With Standardized Metric System. And The Average Error Is Less Than 0.01mm. The Screw Thread Is Very Sharp, Clean And Accurate Without Burr. The Compact And Force Uniform Screw Thread Is Not Easy To Out Of Shape And Slid In The Process Of Rolling And Installation. The Deep And Clear Hex Button Head Cap Can Make Your Working More Easily And Improve Your Work Efficiency.
Wide Application: M3*4/6/8/10/12 Hex Socket Flat & Button Head Screw Bolts Serves A Wide Range Of Use And Purpose Amateurs, Landlords, Repair Men, Other DIY Projects And Handymen.The Kit Has Different Sizes, Which Can Meet The Maximum Of Requirement For You. Great For Use In Confined Areas As Fixing Component, Industrial And Construction Fasteners. Widely Used In Energy, Electronics, Electrical Appliances, Machinery, Chemical Industry, Metallurgy, Mold, Hydraulic,
Safety And Eco-Friendly: M3*4/6/8/10/12 Hex Socket Flat & Button Head Screw Bolts Adopt High Quality Alloy Steel Material, Which Is Environmental And Free & Toxic-Free. In The Process Of Using, There Are No Toxic Substances Releasing, Which Will Ensure Your Safety. Total 720 Pieces Screws For General Purpose Use Will Meet Your Daily Basic Needs.
Materials: Screws Is Made Of High Quality Alloy Steel (Raw Material). The Alloy Steel Material Features Strength And Offers Good Corrosion Resistance In Bad Environment Like High Temperature, Cold Weather, And High Humidity Areas. These Qualities Ensure Hard-Wearing Making These Screws Virtually Indestructible. They Have Superior Rust Resistance And The Excellent Of Oxidation Resistance, Which Can Ensure Long Time Using And Prolong Screws Lifes Pan.
Good Storage: All Of Screw Will Be Packed In A Durable And Sturdy Box To Efficiently Bear The Weight Of The Whole Package. The Box Has Removable Dividers. When You Remove The Dividers, You Will Gain More Space And Store More Screws . The Box Also Can Be Used For A Storage Box. Portable Design Ensures You Take It Go To Any Place That You Want To Go. And As The Product Diagram, You Can Find The Model Of Screws You Need Quickly, Which Will Improve Your Work Efficiency.
#TOP 5

PROWHEEL Bike Hex Crank Arm Fixing Bolts Spindle 8mm Allen Key Bolt Screws Capless Bottom Bracket

M8x1.0
PROWHEEL Bike Hex Crank Arm Fixing Bolts Spindle 8mm Allen Key Bolt Screws Capless Bottom Bracket Cover
PROWHEEL Bike Hex Crank Arm Fixing Bolts Spindle 8mm Allen Key Bolt Screws Capless Bottom Bracket for Cycling Bicycle Axle Fits Many Bike Cranksets

Features
Hex-Type Steel Crank Fixing Bolt Set With Integrated Plastic Dust Cap
8mm Hex Head Crank Fixing Bolt And Cap Pair
Packing Includes: 2 Pieces 8mm Hex Head Crank Arm Bolts.
Crank Bolts. They Fit Square Tapered Bottom Brackets As Well As Standard Bb's. Please Make Sure To Use Metric 8mm Allen Head For Installation.
Bolt Size: 8x1.0mm Hex Cap
#TOP 6

Aiyraa 2 Set M4 x 26mm Bike Disc Brake Caliper Bolts with Circlips for Threaded Hydraulic Disk Caliper

aiyraa
Y8J798060
Aiyraa 2 Set M4 x 26mm Bike Disc Brake Caliper Bolts with Circlips for Threaded Hydraulic Disk Caliper Cover
Aiyraa 2 Set M4 x 26mm Bike Disc Brake Caliper Bolts with Circlips for Threaded Hydraulic Disk Caliper (Silver), Compatible with XT XTR Models, Durable and Lightweight, Enhanced Performance for Bike

Features
Durable M4 Design: Crafted From Lightweight Titanium Alloy, These M4 Bolts Offer Exceptional Hardness And Durability, Minimizing Wear And Extending Service Life.
Y8J798060 Compatibility: This M4 Disc Brake Caliper Bolt Is A Direct Replacement For Shimano Models, Ensuring A Perfect Fit For Reliable Performance.
Precision Engineering: The Precise Threading Of These Pin Screws Allows For Easy Installation And Reliable Operation, Ensuring Safety And Efficiency On The Road.
Oil Disc Latch Functionality: Specifically Designed For Threaded Oil Pans, These Pin Screws Ensure Secure Fastening, Making Them Ideal For High-Performance Bike Applications.
Included Fixed Circlip: Each Package Includes Two M4 Caliper Bolts And Two Fixed Circlips, Providing Everything Needed For A Complete Installation.
#TOP 7

50 Pcs Bicycle Pedal Bolts Screw, M4*4.4 Bicycle Pedals Non-Slip Nails, Bike Pedals Anti Skid Nails, Bicycle Curve Screws Bicycle, Stainless Steel Pedal Bolts

Irenwarl
50 Pcs Bicycle Pedal Bolts Screw, M4*4.4 Bicycle Pedals Non-Slip Nails, Bike Pedals Anti Skid Nails, Bicycle Curve Screws Bicycle, Stainless Steel Pedal Bolts Cover
50 Pcs Bicycle Pedal Bolts Screw, M4*4.4 Bicycle Pedals Non-Slip Nails, Bike Pedals Anti Skid Nails, Bicycle Curve Screws Bicycle, Stainless Steel Pedal Bolts, for Bikes, with Spanner (2 Styles)

Features
1.[Quality Material] : Non-Slip Nails Are Made Of Carbon Steel And Can Withstand Frequent Torsion And Tensile Loads. They Are Sturdy And Can Withstand Impacts And Collisions Without Deforming Or Breaking. It Will Not Rust, Even When Wet. No Matter How Long It Is Exposed To Harsh Conditions, It Remains Stable And Continues To Function. This Extends Its Service Life And You Have To Replace It Less Often
2.[Wide Application] : Pedal Non-Slip Nails Can Be Adapted To Many Types Of Bicycle Pedals As Well As Various Types Of Bicycle Shoes. Whether For Mountain Bikes Or Road Bikes, The Pedals Can Be Easily Fitted With Nails To Improve Their Performance In Complex Conditions. For Cycling Shoes, The Nails Fit All Types Of Cycling Shoes, From Ordinary Trainers With Rubber Soles To Special Mountain Bike Closing Shoes
3.[Package Included] : The Package Contains 25 Pieces Of Non-Slip Flat Head Nails, 25 Pieces Of Hexagonal Anti-Slip Nails, A Spanner And A Plastic Case
4.[Excellent Grip] : The Main Advantage Of The Mountain Pedal Nail Lies In Its Strong Grip. Average Pedals Can Lead To Slipping Because The Sole And Pedal Do Not Grip Properly. This Can Affect Safety And Efficiency. The Pedal Sole Structures Are Easily Embedded By The Nail-Shaped Structure, Even On Inclined Climbing Surfaces, Roads Covered With Stones Or Even On Wet, Slippery Rocks After The Stream. So We Can Be Sure That The Sole And Pedal Fit Snugly And Provide Riders With Stable Support
5.[Prevents Pedal Loosening] : When Riding, Mountain Bike Pedals Are Subjected To Repeated Pedalling Forces From The Rider. MTB Pedal Bolts Are Great Because They Hold The Pedals And Cranks Firmly In Place Thanks To Their Tight Thread Fit And Scientific Design. Thanks To These Precise Specifications, The Bolts Maintain A Firm Connection Even During Intensive Use And Frequent Pedalling Movements, Preventing The Pedals From Coming Loose. The Rider Benefits From Continuous And Stable Power Assistance And Can Ride Safely And Smoothly
#TOP 8

KLEHOPE M8 Bike Crank Bolts Set

YPSJLS-8
White, Black, Blue
M8x1.25
KLEHOPE M8 Bike Crank Bolts Set Cover
KLEHOPE 8 Pieces Crank Screw M8, Bike Crank Bolt, Bike Bolts Bicycle Bottom Bracket Bolt, M8 Thread, Aterproof, Sandproof - for All Square Cranksets and Bottom Brackets

The KLEHOPE Bike Bolts are crafted from high-quality steel, ensuring long-lasting durability for your bicycle. With a waterproof and sandproof design, these bolts effectively shield the centre shaft from external elements, enhancing the lifespan of your bike and ensuring your safety. The set includes eight bolts, providing ample quantity for fixing various bicycle components without the need for multiple purchases. These universal bolts feature an 8mm thread diameter and are suitable for all square cranksets and bottom brackets, making them easy to carry and ideal for any cyclist.

What We Like
Durable steel construction
Waterproof and sandproof
Includes 8 bolts
Universal fit for all bicycles
Easy to carry
#TOP 9

YSDMY 10 Pcs Chainring Bolts Set

YSD-A0029-EU
Silver
10 Millimeter
YSDMY 10 Pcs Chainring Bolts Set Cover
YSDMY 10 Pcs Single Chainring Bolts with Allen Key, Crankset Screw, Mountain Bike Chainring Screws, Bicycle Crankset Chain Ring Bolts, Disc Crankset Nuts Chainwheel for single disc lock

The YSDMY Chainring Bolts offer high-quality components that enhance your biking experience. Made from durable steel, these bolts resist rust and corrosion, ensuring longevity and reliability. With 10 screws and an allen key included, you'll have everything needed for your bike's maintenance. Their easy installation saves you time, making it convenient for quick repairs. Plus, the bolts feature a smooth surface, providing stability during use and blending seamlessly with various bike styles.

What We Like
Durable steel construction
Includes allen key
Easy to install
Smooth surface for stability
Lightweight and portable
#TOP 10

SHUIYUE 4 Pcs Bicycle Crank Arm Bolts, M15 Bottom Bracket Screws,with 1 Installation Wrench

SHUIYUE 4 Pcs Bicycle Crank Arm Bolts, M15 Bottom Bracket Screws,with 1 Installation Wrench Cover
SHUIYUE 4 Pcs Bicycle Crank Arm Bolts, M15 Bottom Bracket Screws,with 1 Installation Wrench, for Bicycle Spline Cranks, Bicycle Spline Bottom Brackets

Features
Easy To Install:You Will Receive 4 M15 Bottom Bracket Screws, And We Provide 1 M8 Wrench, Which Is A Special Screwdriver For M15 Bicycle Splined Axle Screws, Making Every Replacement And Maintenance Easy And Efficient
Advantages Of Splined Axle Screws:At Present, Many Bicycles Use Splined Axles Because Splined Axles Provide Higher Bite Force And Better Rigidity. Our Crank Bolt Are Mainly Used To Fix Splined Axles And Can Firmly Fix Splined Axles
Main Application:M15 Bicycle Spline Axle Is Often Used To Fix The Spline Axle. Whether It Is A Mountain Bike, Road Bike Or Folding Bike, Our Spline Axle Screw Can Be Perfectly Adapted To Meet Different Models And Different Riding Needs (please Check The Size Before Placing An Order To See If It Is Suitable)
Improve Pedaling Efficiency:Our Bicycle Crank Arm Bolts Reduces Weight While Ensuring Rigidity, Thereby Improving The Rider's Pedaling Efficiency And Providing Better Performance And Riding Experience
High-Quality Materials:Our Bicycle Spline Bottom Bracket Screws Are Made Of High-Quality Molybdenum Steel, Which Has Excellent Durability And Can Be Used For A Long Time Without Rusting
Function Of Bicycle Spline Axle Screw:The Main Function Of Bicycle Spline Axle Screw Is To Fix The Axle, Ensure The Connection Between The Axle And The Crank Is Firm, So As To Ensure The Stability And Safety During Riding
Buying Guide Image
Editor's Notes

During our plastic bike screw research, we found 49 plastic bike screw products and shortlisted 10 quality products. We collected and analyzed 4,320 customer reviews through our big data system to write the plastic bike screws list. We found that most customers choose plastic bike screws with an average price of £20.00.

The plastic bike screws are available for purchase. We have researched hundreds of brands and picked the top brands of plastic bike screws, including Alps2Ocean, XINXINGDINGSHENG, YouU, Akozon, Prowheel.

Written by
Luke Dobson Avatar

Luke is a runner, a climber, hiker, hunter, and a lot more. Luke Dobson is Celtic-born and has lived most of his life in Scotland. However, his sporting endeavours have taken him to several countries around Europe. He serves as a tour guide for countless companies and owns a couple of gyms and recreational centres in Scotland. Luke Dobson is proficient in 7 different languages. He maintains many sport article columns where he shares his wealth of experience in the sport industry.